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| author | Brian <brian@i915.localnet.net> | 2007-07-31 11:15:30 -0600 |
|---|---|---|
| committer | Brian <brian@i915.localnet.net> | 2007-07-31 11:15:30 -0600 |
| commit | 6490c7d4aadac7d240d62e2d5c02d8973d69b71f (patch) | |
| tree | 1012090d469eddad9db3a53260d8542aef3748a8 /src | |
| parent | da2b82059f56d37893a318d0f7a7f2479db99c59 (diff) | |
fix stencil addressing bug
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i915tex/intel_surface.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i915tex/intel_surface.c b/src/mesa/drivers/dri/i915tex/intel_surface.c index 6b34d23ac9..3e86835de2 100644 --- a/src/mesa/drivers/dri/i915tex/intel_surface.c +++ b/src/mesa/drivers/dri/i915tex/intel_surface.c @@ -95,8 +95,9 @@ read_quad_z24(struct softpipe_surface *sps, /* extract lower three bytes */ zzzz[0] = src[0] & mask; zzzz[1] = src[1] & mask; - zzzz[2] = src[-sps->surface.stride] & mask; - zzzz[3] = src[-sps->surface.stride + 1] & mask; + src -= sps->surface.stride; + zzzz[2] = src[0] & mask; + zzzz[3] = src[1] & mask; } static void @@ -133,8 +134,9 @@ read_quad_stencil(struct softpipe_surface *sps, /* extract high byte */ ssss[0] = src[0] >> 24; ssss[1] = src[1] >> 24; - ssss[2] = src[-sps->surface.width] >> 24; - ssss[3] = src[-sps->surface.width + 1] >> 24; + src -= sps->surface.stride; + ssss[2] = src[0] >> 24; + ssss[3] = src[1] >> 24; } static void |